PCA8515P Philips Semiconductors, PCA8515P Datasheet

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PCA8515P

Manufacturer Part Number
PCA8515P
Description
Stand-alone OSD
Manufacturer
Philips Semiconductors
Datasheet
Philips Semiconductors
Preliminary specification
File under Integrated Circuits, IC14
DATA SHEET
PCA8515
Stand-alone OSD
INTEGRATED CIRCUITS
1995 Jan 19

Related parts for PCA8515P

PCA8515P Summary of contents

Page 1

... DATA SHEET PCA8515 Stand-alone OSD Preliminary specification File under Integrated Circuits, IC14 Philips Semiconductors INTEGRATED CIRCUITS 1995 Jan 19 ...

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... Philips Semiconductors Stand-alone OSD CONTENTS 1 FEATURES 2 GENERAL DESCRIPTION 3 ORDERING INFORMATION 4 BLOCK DIAGRAM 5 PINNING INFORMATION 5.1 Pinning 5.2 Pin description 6 SERIAL I/O 2 6.1 I C-bus serial interface 6.2 High-speed serial interface (HIO) 7 CHARACTER FONTS 7.1 Character font address map 7.2 Character font ROM 8 DISPLAY RAM ORGANIZATION 8.1 Description of display RAM codes 8 ...

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... Carriage Return Code, maximum number of characters per line is also flexible and depends on the OSD clock frequency 3 ORDERING INFORMATION TYPE NUMBER NAME PCA8515P SDIP24 PCA8515T SO24 1995 Jan 19 Spacing between lines: 4 choices comprising and 12 horizontal scan lines Display character RAM address-auto-post increment ...

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V DD EXTERNAL/INTERNAL CHARACTER SIZE DATA SWITCHING REGISTER/ V BUFFER SS CONTROL RESET SCL/SCLK 2 HORIZONTAL I C SLAVE SDA/SIN POSITION RECEIVER OR REGISTER/ E HIGH-SPEED I/O COUNTER 2 RECEIVER HIO INSTRUCTION DECODER PLL C OSCILLATOR INTERNAL SYNCHRONOUS ...

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... Philips Semiconductors Stand-alone OSD 5 PINNING INFORMATION 5.1 Pinning handbook, halfpage 1995 Jan (VOW3) 24 P04/ACM (VOB2 TEST2 TEST1 VSYNC 6 19 PCA8515 18 HSYNC 7 SDA/SIN 8 17 SCK/SCLK 9 16 XTAL1 (IN XTAL2 (OUT MLC348 Fig.2 Pin configuration for SDIP24. ...

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... Philips Semiconductors Stand-alone OSD 5.2 Pin description Table 1 SDIP24 and SO24 packages SYMBOL PIN I (VOW3) 1 P04/ACM (VOB2) 2 TEST2 3 TEST1 VSYNC 6 HSYNC 7 SDA/SIN 8 SCK/SCLK 9 XTAL1 (IN) 10 XTAL2 (OUT RESET HIO (VOW0) 16 P00 17 G (VOW1) 18 P01 19 B (VOW2) ...

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... Philips Semiconductors Stand-alone OSD 6 SERIAL I/O The PCA8515 has two means by which it can communicate with a microcontroller: a fast I interface and a High-speed serial interface. Selection of either interface is achieved via pin 15, HIO/I 2 HIO LOW, the HIO serial interface is selected. When 2 2 HIO HIGH, the I C-bus serial interface is selected ...

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... Philips Semiconductors Stand-alone OSD 2 I C-bus handbook, full pagewidth bit stream MSB 0 S Slave address 1st data byte Command Register data falling edge of SCLK handbook, full pagewidth SCLK D OUT (from HIO master and connected to SIN pin of HIO slave rising edge of SCLK ...

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... Philips Semiconductors Stand-alone OSD 7 CHARACTER FONTS 256 character fonts may be held in ROM; 253 customer selected fonts and three reserved character font codes. Customer selected fonts are mask programmable. Each character font is stored Fig.5. Elements in Rows can be selected as visible dots on the screen; Row 0 is used only for the ...

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... Philips Semiconductors Stand-alone OSD Row ROM1 : ROM2 : < < Fig ...

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... Philips Semiconductors Stand-alone OSD 8 DISPLAY RAM ORGANIZATION The display RAM is organized as 256 general format of each RAM location is as follows. Bits <12-5> hold character data and allow a choice from 253 customer designed character fonts to be selected or one of three reserved codes. Bits <4-0> contain the attributes of the character font, for example colour, character size etc ...

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... Philips Semiconductors Stand-alone OSD ndbook, full pagewidth Vstart line spacing line spacing Hstart Volume Four different background colours (in box shadowing mode): 1995 Jan ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth In this example, all the characters are displayed on the viewfinder. As only the data 'Date : July 15, 1994 recorded onto the tape, only these characters' ACM attribute bit is set to a logic 1. Fig.9 Example of ACM signal for use in camrecorder applications. ...

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... Philips Semiconductors Stand-alone OSD 8.2 Loading character data into display RAM Three registers are used to address and load data into the display RAM. These registers are described below. 8.2.1 DCR A R DDRESS EGISTER Table 5 DCR Address Register This register holds the address of the location in display RAM into which data written. Command 3 loads the High nibble of the address into this register ...

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... Philips Semiconductors Stand-alone OSD 9 COMMANDS The PCA8515 is programmed by a series of commands sent by a microcontroller via the I High-speed serial interface. 16 commands (Commands are available for selecting the various functions of the PCA8515. A command overview is shown in Table 8; full descriptions of each command are given in Sections 9.1 to 9.14. ...

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... Philips Semiconductors Stand-alone OSD 9.1 Command 0 Table 9 Command 0 format Command 0 is used to select the Command Bank. Bits BS1 and BS0 are the two flags that indicate the current Command Bank being executed. During a master reset these two bits are cleared (BS1 = 0, BS0 = 0). Each command has its own associated Command Bank, this is shown in Table 8 ...

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... Philips Semiconductors Stand-alone OSD 9.3 ARRIAGE ETURN ODE ATTRIBUTES Command 2 when used in conjunction with the Carriage Return Code (FEH) determines the size of characters to be displayed on the next line, sets the spacing between lines of characters and enables/disables the display. The character size is also a function of the TV scanning standard being used and f ...

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... Philips Semiconductors Stand-alone OSD 0 handbook, full pagewidth ACM 1995 Jan 19 SP code 'S' : Red 'I' : Green 'Z' : Green + Blue + Intensity 'E' : Blue + Intensity 1st SP code : ACM = on 2nd SP code: ACM = off Fig. ACM timing. 18 Preliminary specification PCA8515 SP code MRA830 - 1 ...

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... Philips Semiconductors Stand-alone OSD 9.4 Command 3 Table 19 Command 3 format BS1 BS0 Command 3 loads the DCR Address Register with the 4 MSBs of the RAM address to which data will be written. 9.5 Command 4 Table 20 Command 4 format BS1 BS0 Command 4 loads the DCR Address Register with the 4 LSBs of the RAM address to which data will be written ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth VSYNC f = 15734 Hz HSYNC HSYNC VSYNC f = 31468 Hz HSYNC HSYNC handbook, full pagewidth VSYNC f = 15625 Hz HSYNC HSYNC f = 100 Hz VSYNC VSYNC f = 31250 Hz HSYNC HSYNC 312.5 lines 1995 Jan VSYNC 262.5 lines (a) Conventional NTSC 1V/ VSYNC ...

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... Philips Semiconductors Stand-alone OSD FB (ACM handbook, full pagewidth (active LOW) FB (ACM (active HIGH) handbook, full pagewidth HSYNC/VSYNC Hp/ (active LOW) HSYNC/VSYNC Hp/ (active HIGH) 1995 Jan 19 active period Fig.13 Active levels of FB and I signals. ...

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... Philips Semiconductors Stand-alone OSD 9.9 Command 8 Table 27 Command 8 format BS1 BS0 Command 8 loads Control Register 2 with data that selects the input polarity of HSYNC and VSYNC (see Fig.14) and also selects the Display modes. Table 28 Selection of input polarity of HSYNC/VSYNC ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth 'M' : Red + Blue + Intensity 'O' : Blue 'S' : Red + Green + Intensity 1995 Jan code SP code Fig.15 Mode 0: No background mode. 23 Preliminary specification PCA8515 scan SP code line MLB346 ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth scan line : background 1st character: GREEN 2nd character: GREEN + BLUE + INTENSITY background: RED + BLUE (active HIGH) Available only in character sizes 2V/2H or 4V/4H. 1995 Jan 19 1f OSD Fig.16 Mode 1: North West shadowing mode. 24 Preliminary specification ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Fig.17 Example of North West shadowing mode - size 2V/2H. 1995 Jan Preliminary specification PCA8515 1V MRA842 1H ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Fig.18 Example of North West shadowing mode - size 4V/4H. 1995 Jan Preliminary specification PCA8515 2V MRA843 2H ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Character designed in character ROM 1995 Jan Fig.19 Example of North West shadowing mode. 27 Preliminary specification PCA8515 ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Column 0 1995 Jan 19 Column 11 Row 0 Row 17 background colour Fig.21 Mode 2: Box shadowing mode. 29 Preliminary specification PCA8515 MRA840 ...

Page 30

... Philips Semiconductors Stand-alone OSD size = 1 handbook, full pagewidth size = 3 1995 Jan 19 size = size = Fig.22 Example of Box shadowing mode. 30 Preliminary specification PCA8515 MRA847 ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth 1995 Jan 19 Background: BLUE Fig.23 Mode 3: Frame shadowing mode. 31 Preliminary specification PCA8515 MRA841 ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth VSYNC f VSYNC Blinking frequency: 16 Blinking ratio VSYNC Blinking frequency: 16 Blinking ratio VSYNC Blinking frequency: 16 Blinking ratio VSYNC Blinking frequency: 32 Blinking ratio VSYNC Blinking frequency: 32 Blinking ratio VSYNC Blinking frequency: ...

Page 33

... Philips Semiconductors Stand-alone OSD Fig.27 Blinking in Box shadowing mode (Space Code with background). 1995 Jan 19 SP code CR code Character ON Fig.26 Blinking in North-West shadowing mode. SP code CR code Character ON 33 Preliminary specification PCA8515 SP code CR code Character OFF MLB398 SP code CR code Character OFF ...

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... Philips Semiconductors Stand-alone OSD Fig.28 Blinking in Box shadowing mode (Space Code without background). 1995 Jan 19 SP code CR code Character ON SP code CR code Character ON Fig.29 Blinking in Frame shadowing mode. 34 Preliminary specification PCA8515 SP code CR code Character OFF MLB400 SP code CR code Character OFF ...

Page 35

... Philips Semiconductors Stand-alone OSD 9.11 Command A Table 33 Command A format BS1 BS0 Command A loads Control Register 4 with data that determines the function of pin 2 (P04/ACM(VOB2). Table 34 Selection of P04 or ACM A/P PIN FUNCTION 0 P04 is selected as an output port. Data is written to this port using Command E. This is also the default setting ...

Page 36

... Philips Semiconductors Stand-alone OSD 10 MISCELLANEOUS 10.1 Space and Carriage Return Codes in different Background/Shadowing modes. Figures show the Space Code and Carriage Return Code in the 4 different Background/Shadowing modes. Mode 0: the No background mode. Both the Space Code and the Carriage Return Code are displayed as transparent (no bit) patterns with the video signal as the background ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Fig.30 Space Code and Carriage Return Code in No Background mode - transparent pattern. 1995 Jan 910 910 910 11 ...

Page 38

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Fig.31 Space Code and Carriage Return Code in North West shadowing mode - transparent pattern. 1995 Jan 910 910 910 910 11 ...

Page 39

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth SP code is an opaque pattern with the background colour of the character it intends to change or keep. CR code is always a transparent pattern with the video signal as its background. SP code can change the background colour of itself and the character/word next to it (in this example: from cyan to yellow) ...

Page 40

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth SP code is an transparent pattern with no background colour. CR code is always a transparent pattern with the video signal as its background. SP code can change the background colour the character/word next to it (in this example : from cyan to yellow). Fig.33 Space Code and Carriage Return Code in Box shadowing mode. ...

Page 41

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth SP and CR codes are both transparent patterns coloured the same as the background colour. Fig.34 Space Code and Carriage Return Code in Frame shadowing mode. 1995 Jan 910 910 11 ...

Page 42

... Philips Semiconductors Stand-alone OSD Fig.35 Combination of two character cells in a horizontal direction to create a new font. 1995 Jan Preliminary specification PCA8515 ...

Page 43

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Fig.36 Combination of two character cells in a horizontal direction to create a new font North West shadowing mode. 1995 Jan Preliminary specifi ...

Page 44

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Character pattern stored in the ROM/RAM Fig ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth Character pattern stored in the ROM/RAM Fig ...

Page 46

... Philips Semiconductors Stand-alone OSD 11 OSD CLOCK The on-chip clock generator comprises Phase-Locked Loop circuitry and is shown in Fig.39. The frequency of the OSD clock is programmable and is determined by the contents of the 6-bit counter, which is loaded using Command 6. The OSD clock frequency is calculated as shown below; frequencies within the range 4 to10 MHz can be selected ...

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... Philips Semiconductors Stand-alone OSD 12 OSD CLOCK SELECTION FOR DIFFERENT TV STANDARDS 12.1 OSD frequency The PCA8515 supports three different TV scanning standards. To obtain the best quality character display, each TV standard requires a different OSD frequency. To cater for this requirement the PCA8515 provides a programmable OSD clock that generates frequencies in the range MHz ...

Page 48

RIGHT trace horizontal deflection 0 sawtooth retrace LEFT retrace ends Fig.40 Composite video signal for three horizontal lines compared to three horizontal deflection ...

Page 49

0.5 H than black black level white level zero carrier 0.03 V vertical blanking 0. bottom of picture picture horizontal blanking ...

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... Philips Semiconductors Stand-alone OSD 13 OUTPUT PORTS The three output ports P00, P01 and P04 can be configured using one of three mask options. The three output mask options are specified below: Option 1: Standard output with switched pull-up current source. See Figs 42 and 45. ...

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... Philips Semiconductors Stand-alone OSD Port output register handbook, full pagewidth write pulse data bus Port output register handbook, full pagewidth write pulse data bus D 1995 Jan read pulse (testing use only) Fig.43 Open-drain output (Option 2 - P00 and P01). ...

Page 52

... Philips Semiconductors Stand-alone OSD handbook, full pagewidth ACM output enable (A/P bit) Port output register write pulse data bus D MQ Fig.45 Standard output with switched pull-up current source (Option 1 - P04). handbook, full pagewidth ACM output enable (A/P bit) Port output register write pulse ...

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... Philips Semiconductors Stand-alone OSD handbook, full pagewidth ACM output enable (A/P bit) Port output register write pulse data bus D MQ 1995 Jan 19 ACM output from OSD circuit D SQ read pulse (testing use only) Fig.47 Push-pull output (Option 3 - P04). 53 Preliminary specification PCA8515 ...

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... Philips Semiconductors Stand-alone OSD 13.1 Mask options Tables list the available mask options for the PCA8515. Table 43 is intended for customer use when ordering the device. Table 40 Outport configuration options OPTION Table 41 Port state after Power-on-reset ...

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... Philips Semiconductors Stand-alone OSD 14 DEFAULT VALUES AFTER POWER-ON-RESET The default values of registers after a Power-on-reset are specified in Table 45. All other settings must be initialized by the user after a Power-on-reset. Table 45 Default values REGISTER BIT User directly controllable registers M1 M0 Control Register 1 ...

Page 56

... Philips Semiconductors Stand-alone OSD 15 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134) SYMBOL V supply voltage DD V all input voltages I I maximum source current for all port lines OH I maximum sink current for all port lines OL P total power dissipation ...

Page 57

... Philips Semiconductors Stand-alone OSD 16 DC CHARACTERISTICS 10 amb SYMBOL PARAMETER V operating supply voltage DD I operating supply current DD RESET, TEST1, TEST2, HSYNC and E inputs V LOW level input voltage IL V HIGH level input voltage IH I input leakage current LI 2 P00, P01, VSYNC and HIO/I ...

Page 58

... Philips Semiconductors Stand-alone OSD 17 AC CHARACTERISTICS 10 SYMBOL PARAMETER f crystal oscillator frequency xtal f OSD oscillator frequency OSD C external capacitance at pin C OSD R external resistance at pin C OSD 1995 Jan 19 CONDITIONS 1V/1H scanning mode 2V/2H scanning mode 58 Preliminary specification PCA8515 MIN. TYP. ...

Page 59

... Philips Semiconductors Stand-alone OSD 18 PACKAGE OUTLINES SDIP24: plastic shrink dual in-line package; 24 leads (400 mil pin 1 index 1 DIMENSIONS (mm are the original dimensions UNIT max. min. max. mm 4.7 0.51 3.8 Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE ...

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... Philips Semiconductors Stand-alone OSD SO24: plastic small outline package; 24 leads; body width 7 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. 0.30 2.45 mm 2.65 0.25 0.10 2.25 0.012 0.096 0.10 inches 0.01 0.004 0.089 Note 1. Plastic or metal protrusions of 0.15 mm maximum per side are not included. ...

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... Philips Semiconductors Stand-alone OSD 19 SOLDERING 19.1 Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities ...

Page 62

... Philips Semiconductors Stand-alone OSD 20 DEFINITIONS Data sheet status Objective specification This data sheet contains target or goal specifications for product development. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. ...

Page 63

... Philips Semiconductors Stand-alone OSD 1995 Jan 19 NOTES 63 Preliminary specification PCA8515 ...

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... United States: 811 East Arques Avenue, SUNNYVALE, CA 94088-3409, Tel. (800)234-7381, Fax. (708)296-8556 Uruguay: Coronel Mora 433, MONTEVIDEO, Tel. (02)70-4044, Fax. (02)92 0601 For all other countries apply to: Philips Semiconductors, International Marketing and Sales, Building BE-p, P.O. Box 218, 5600 MD, EINDHOVEN, The Netherlands, Telex 35000 phtcnl, Fax. +31-40-724825 SCD36 © ...

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